.footer{
  text-align: center;
  border-top:1px solid var(--themeColor);
  padding: 50rpx 0;
  color: var(--descColor);
  background-color: var(--globalBgColor2);
  font-size: 30rpx;
  line-height: 1.8em;
}
.kefu{
  z-index: 9;
  opacity: 0.5;
  width: 100rpx;
  height: 100rpx;
  background-color: var(--themeColor);
  position: fixed;
  bottom: 100rpx;
  right: 20rpx;
  border-radius: 50%;
  box-shadow:0 0 50rpx rgba(189,160,102,0.8);
  .pic{
    width: 100%;
    height: 100%;
  }
  .btn{
    z-index: 10;
    position: absolute;
    border-radius: 50%;
    width: 100%;
    height: 100%;
    opacity: 0;
  }
  .line{
    width: 100%;
    height: 100%;
    // border: 3px solid red;
    position: absolute;
    top: 0;
    left: 0;
    border-radius: 50%;
    animation: emit 2s infinite;
  }
}
.kefu:hover{
  opacity: 1;
}

@keyframes emit{
  0%{border: 1px solid var(--themeColor)}
  100%{
    border-width: 3px;
    opacity: 0;
    transform: scale(1.5);
  }
}